A teacher at a business school in Switzerland was outed for watching amputee porn during a class he was running when he pulled some up on his computer, forgetting his monitor was still projecting onto the wall. From the New York Daily News:

The bungling KV Zürich Business School educator reportedly forgot to turn off the overhead projector as he surfed the adult material online.

As his students sat peacefully with their heads buried inside their books, he decided to take a sneak peek at several hardcore movies and pics of naked women with amputated limbs.

Unluckily for him, it was also projected onto the wall for all his pupils to see.